Yellowstone Animals What makes Yellowstone so special is they have been able to bring back the top predator in the food chain, the Yellowstone Wolves. Since the wolves were reintroduced the park ...

In Yellowstone National Park ... the gray wolf made the original Endangered Species List. The subsequent Endangered Species Act of 1973 called for their restoration. Consequently, the National ...

In 1975, when they'd been wiped out almost entirely, grizzlies in the lower 48 were placed on the endangered species list. Today they remain in only about 6% of their original range. Grizzlies now ...

Open May 2 - October 31, 2025 - East Entrance to Lake Village (Sylvan Pass), Canyon Village to Lake Village. Open May 9 - October 31, 2025 - South Entrance to West Thumb, West Thumb to Old Faithful ...

Yellowstone bison now breed as one interlinked population. Genetic studies show strong gene flow across all bison herds.

In 1975, when they'd been wiped out almost entirely, grizzlies in the lower 48 were placed on the endangered species list. Today they remain in only about 6% of their original range. Grizzlies now ...